<%--
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  User: panbo
  Date: 2017/7/28
  Time: 19:49
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<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>注册失败</title>
</head>
<body>
<h2>对不起，您的用户名已经存在！请点击<a href="#" onclick="history.back(-1);return false">这里</a>回退页面</h2>
</body>
</html>
